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## org.mule.transport.ftp
Class FtpMessageReceiver

    java.lang.Object
      org.mule.transport.AbstractConnectable
          org.mule.transport.AbstractMessageReceiver
              org.mule.transport.AbstractPollingMessageReceiver
                  org.mule.transport.ftp.FtpMessageReceiver

All Implemented Interfaces:
  ExceptionListener, Disposable, Initialisable, Startable, Stoppable, Connectable, MessageReceiver

    public class FtpMessageReceiver

extends AbstractPollingMessageReceiver

Field Summary
`protected FtpConnector` | `connector`
`protected Set<String>` | `currentFiles`
`protected FilenameFilter` | `filenameFilter`
`protected Set<String>` | `scheduledFiles`

Fields inherited from class org.mule.transport.AbstractPollingMessageReceiver
`DEFAULT_POLL_FREQUENCY, DEFAULT_POLL_TIMEUNIT, DEFAULT_STARTUP_DELAY, schedules`

Fields inherited from class org.mule.transport.AbstractMessageReceiver
`receiverKey, responseEndpoint, service`

Fields inherited from class org.mule.transport.AbstractConnectable
`connected, disposed, endpoint, logger, retryTemplate, started, startOnConnect`

Fields inherited from interface org.mule.api.lifecycle.Initialisable
`PHASE_NAME`

Fields inherited from interface org.mule.api.lifecycle.Disposable
`PHASE_NAME`

Fields inherited from interface org.mule.api.lifecycle.Startable
`PHASE_NAME`

Fields inherited from interface org.mule.api.lifecycle.Stoppable
`PHASE_NAME`

Constructor Summary
`FtpMessageReceiver(Connector connector, Service service, InboundEndpoint endpoint, long frequency)`

Method Summary
`protected void` | `doConnect()`
`protected void` | `doDisconnect()`
`protected void` | `doDispose()`
`protected org.apache.commons.net.ftp.FTPFile[]` | `listFiles()`
`void` | `poll()`
`protected void` | `postProcess(org.apache.commons.net.ftp.FTPClient client, org.apache.commons.net.ftp.FTPFile file, MuleMessage message)`
`protected void` | `processFile(org.apache.commons.net.ftp.FTPFile file)`
`RetryContext` | `validateConnection(RetryContext retryContext)` Test whether the connector is able to connect to its resource(s).

Methods inherited from class org.mule.transport.AbstractPollingMessageReceiver
`createWork, doStart, doStop, getFrequency, getTimeUnit, schedule, setFrequency, setTimeUnit, unschedule`

Methods inherited from class org.mule.transport.AbstractMessageReceiver
`dispose, getConnectEventId, getConnectionDescription, getEndpoint, getEndpointURI, getListener, getReceiverKey, getService, getWorkManager, handleUnacceptedFilter, initialise, routeMessage, routeMessage, routeMessage, routeMessage, routeMessage, routeMessage, setEndpoint, setExceptionDetails, setListener, setReceiverKey, setService, toString`

Methods inherited from class org.mule.transport.AbstractConnectable
`activate, connect, disconnect, disposeAndLogException, doInitialise, exceptionThrown, getConnectEventId, getConnector, handleException, isConnected, isDoThreading, isStarted, passivate, setEndpoint, start, stop, validate`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Methods inherited from interface org.mule.api.transport.Connectable
`connect, disconnect, isConnected`

Methods inherited from interface org.mule.api.lifecycle.Startable
`start`

Methods inherited from interface org.mule.api.lifecycle.Stoppable
`stop`

Field Detail

### connector

    protected final FtpConnector connector

### filenameFilter

    protected final FilenameFilter filenameFilter

### scheduledFiles

    protected final Set<String> scheduledFiles

### currentFiles

    protected final Set<String> currentFiles

Constructor Detail

### FtpMessageReceiver

    public FtpMessageReceiver(Connector connector,
                              Service service,
                              InboundEndpoint endpoint,
                              long frequency)
                       throws CreateException

Throws:
  `CreateException`

Method Detail

### poll

    public void poll()
              throws Exception

  Specified by:
    `poll` in class `AbstractPollingMessageReceiver`
  Throws:
    `Exception`

### listFiles

    protected org.apache.commons.net.ftp.FTPFile[] listFiles()
                                                      throws Exception

  Throws:
    `Exception`

### processFile

    protected void processFile(org.apache.commons.net.ftp.FTPFile file)
                        throws Exception

  Throws:
    `Exception`

### postProcess

    protected void postProcess(org.apache.commons.net.ftp.FTPClient client,
                               org.apache.commons.net.ftp.FTPFile file,
                               MuleMessage message)
                        throws Exception

  Throws:
    `Exception`

### doConnect

    protected void doConnect()
                      throws Exception

  Overrides:
    `doConnect` in class `AbstractConnectable`
  Throws:
    `Exception`

### validateConnection

    public RetryContext validateConnection(RetryContext retryContext)

  Description copied from interface: `Connectable`
  Test whether the connector is able to connect to its resource(s). This will allow a retry policy to go into effect in the case of failure. Implementations must call either:
  - `RetryContext.setOk()` when no problems found (or no validation required).
  - `RetryContext.setFailed(Throwable)` with a root cause for a connection failure.
  Callers should then check for `RetryContext.isOk()`. The failure, if any, will be provided via the `RetryContext.getLastFailure()`.

  Specified by:
    `validateConnection` in interface `Connectable`
  Overrides:
    `validateConnection` in class `AbstractConnectable`
  Returns:
    same retry context with status info set and any failures populated

### doDisconnect

    protected void doDisconnect()
                         throws Exception

  Overrides:
    `doDisconnect` in class `AbstractConnectable`
  Throws:
    `Exception`

### doDispose

    protected void doDispose()

  Overrides:
    `doDispose` in class `AbstractConnectable`

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